﻿<p>A reinforcing bar is usually made of steel with manufactured deformations in the surface,
and used in concrete and masonry construction to provide additional strength.  A single instance
of this class may represent one or many of actual rebars, for example a row of rebars.</p>

<blockquote class="history">
HISTORY&nbsp; New entity in IFC2x2
</blockquote>

<blockquote class="change-ifc2x4">
IFC 2x4 CHANGE&nbsp; All attributes are optional now. Several attributes are deprecated; their information now provided by <em>IfcReinforcingBarType</em>.  Attribute <em>BarRole</em> renamed to <em>PredefinedType</em>.
</blockquote>

<p class="use-head">Geometry Use Definition</p>

<p>Placement and representation are defined at the supertype <em>IfcElementComponent</em>.</p>

<p>The representation map of a mapped 'Body' representation should contain a representation of type 'AdvancedSweptSolid' which holds an <em>IfcSweptDiskSolid</em> (including subtype <em>IfcSweptDiskSolidPolygonal</em>).</p>

